If you're talking about the final parameter (0 in your example), that's the
address of the opcode de-initialization function. If not null, it's called
when Csound stops performing.

Original Message:
-----------------
From: Andres Cabrera acabrera@teleset.com.co
Date: Sat, 05 Jun 2004 20:36:27 -0500
To: csound-dev@eartha.mills.edu
Subject: [CSOUND-DEV:4810] OENTRY parameters


Hi,

I see 4 parameters on the OENTRY list (c++ version) as follows:

{   "vstinit", sizeof (VSTINIT), 1, "i", "So", &vstinit, 0, 0, 0 }

What are their significance. I asume the first 3 are equivalent to the C 
  version (i, k, a). What is the fourth parameter for?

Andrés


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